cwFlowProc : Added audio_in, audio_out and sine_tone.
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kevin
parent
9e7ab2f367
commit
bab059a52d
293
cwFlowProc.cpp
293
cwFlowProc.cpp
@ -75,6 +75,194 @@ namespace cw
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}
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//------------------------------------------------------------------------------------------------------------------
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//
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// audio_in
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//
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namespace audio_in
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{
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enum
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{
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kDevLabelPId,
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kOutPId
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};
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typedef struct
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{
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const char* dev_label;
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external_device_t* ext_dev;
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} inst_t;
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rc_t create( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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inst_t* inst = mem::allocZ<inst_t>();
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ctx->userPtr = inst;
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// Register variable and get their current value
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if((rc = var_register_and_get( ctx, kAnyChIdx, kDevLabelPId, "dev_label", inst->dev_label )) != kOkRC )
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{
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goto errLabel;
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}
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if((inst->ext_dev = external_device_find( ctx->ctx, inst->dev_label, kAudioDevTypeId, kInFl )) == nullptr )
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{
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rc = cwLogError(kOpFailRC,"The audio input device description '%s' could not be found.", cwStringNullGuard(inst->dev_label));
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goto errLabel;
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}
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// create one output audio buffer
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rc = var_register_and_set( ctx, "out", kOutPId, kAnyChIdx, inst->ext_dev->u.a.abuf->srate, inst->ext_dev->u.a.abuf->chN, ctx->ctx->framesPerCycle );
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errLabel:
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return rc;
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}
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rc_t destroy( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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inst_t* inst = (inst_t*)ctx->userPtr;
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mem::release(inst);
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return rc;
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}
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rc_t value( instance_t* ctx, variable_t* var )
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{
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rc_t rc = kOkRC;
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return rc;
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}
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rc_t exec( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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inst_t* inst = (inst_t*)ctx->userPtr;
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abuf_t* abuf = nullptr;
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// verify that a source buffer exists
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if((rc = var_get(ctx,kOutPId,kAnyChIdx,abuf)) != kOkRC )
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{
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rc = cwLogError(kInvalidStateRC,"The audio file instance '%s' does not have a valid audio output buffer.",ctx->label);
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}
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else
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{
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memcpy(abuf->buf,inst->ext_dev->u.a.abuf->buf, abuf->frameN*abuf->chN*sizeof(sample_t));
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}
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return rc;
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}
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class_members_t members = {
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.create = create,
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.destroy = destroy,
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.value = value,
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.exec = exec,
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.report = nullptr
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};
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}
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//------------------------------------------------------------------------------------------------------------------
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//
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// audio_out
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//
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namespace audio_out
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{
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enum
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{
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kInPId,
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kDevLabelPId,
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};
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typedef struct
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{
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const char* dev_label;
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external_device_t* ext_dev;
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} inst_t;
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rc_t create( instance_t* ctx )
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{
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rc_t rc = kOkRC; //
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inst_t* inst = mem::allocZ<inst_t>(); //
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const abuf_t* src_abuf = nullptr;
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ctx->userPtr = inst;
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// Register variables and get their current value
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if((rc = var_register_and_get( ctx, kAnyChIdx,
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kDevLabelPId, "dev_label", inst->dev_label,
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kInPId, "in", src_abuf)) != kOkRC )
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{
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goto errLabel;
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}
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if((inst->ext_dev = external_device_find( ctx->ctx, inst->dev_label, kAudioDevTypeId, kOutFl )) == nullptr )
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{
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rc = cwLogError(kOpFailRC,"The audio output device description '%s' could not be found.", cwStringNullGuard(inst->dev_label));
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goto errLabel;
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}
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errLabel:
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return rc;
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}
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rc_t destroy( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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inst_t* inst = (inst_t*)ctx->userPtr;
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mem::release(inst);
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return rc;
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}
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rc_t value( instance_t* ctx, variable_t* var )
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{
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rc_t rc = kOkRC;
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return rc;
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}
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rc_t exec( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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inst_t* inst = (inst_t*)ctx->userPtr;
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const abuf_t* src_abuf = nullptr;
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if((rc = var_get(ctx,kInPId,kAnyChIdx,src_abuf)) != kOkRC )
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rc = cwLogError(kInvalidStateRC,"The audio file instance '%s' does not have a valid input connection.",ctx->label);
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else
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{
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unsigned n = src_abuf->frameN*src_abuf->chN;
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for(unsigned i=0; i<n; ++i)
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inst->ext_dev->u.a.abuf->buf[i] += src_abuf->buf[i];
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}
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return rc;
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}
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class_members_t members = {
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.create = create,
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.destroy = destroy,
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.value = value,
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.exec = exec,
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.report = nullptr
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};
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}
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//------------------------------------------------------------------------------------------------------------------
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//
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// AudioFileIn
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@ -301,6 +489,110 @@ namespace cw
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}
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//------------------------------------------------------------------------------------------------------------------
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//
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// sine_tone
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//
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namespace sine_tone
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{
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enum
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{
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kSratePId,
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kChCntPid,
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kFreqHzPId,
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kGainPId,
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kOutPId
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};
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typedef struct
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{
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real_t gain;
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real_t hz;
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real_t phase;
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srate_t srate;
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unsigned chCnt;
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} inst_t;
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rc_t create( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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inst_t* inst = mem::allocZ<inst_t>();
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ctx->userPtr = inst;
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// Register variables and get their current value
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if((rc = var_register_and_get( ctx, kAnyChIdx,
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kSratePId, "srate", inst->srate,
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kChCntPid, "chCnt", inst->chCnt,
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kFreqHzPId, "hz", inst->hz,
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kGainPId, "gain", inst->gain)) != kOkRC )
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{
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goto errLabel;
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}
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// create one output audio buffer
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rc = var_register_and_set( ctx, "out", kOutPId, kAnyChIdx, inst->srate, inst->chCnt, ctx->ctx->framesPerCycle );
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errLabel:
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return rc;
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}
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rc_t destroy( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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inst_t* inst = (inst_t*)ctx->userPtr;
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mem::release(inst);
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return rc;
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}
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rc_t value( instance_t* ctx, variable_t* var )
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{
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rc_t rc = kOkRC;
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return rc;
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}
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rc_t exec( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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inst_t* inst = (inst_t*)ctx->userPtr;
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abuf_t* abuf = nullptr;
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// get the output signal buffer
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if((rc = var_get(ctx,kOutPId,kAnyChIdx,abuf)) != kOkRC )
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{
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rc = cwLogError(kInvalidStateRC,"The Sine Tone instance '%s' does not have a valid audio output buffer.",ctx->label);
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}
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else
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{
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for(unsigned i=0; i<inst->chCnt; ++i)
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{
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sample_t* v = abuf->buf + (i*abuf->frameN);
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for(unsigned j=0; j<abuf->frameN; ++j)
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v[j] = inst->gain * (sample_t)sin( inst->phase + (j*inst->srate/inst->hz));
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}
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inst->phase += abuf->frameN*inst->srate/inst->hz;
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}
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return rc;
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}
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class_members_t members = {
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.create = create,
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.destroy = destroy,
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.value = value,
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.exec = exec,
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.report = nullptr
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};
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}
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//------------------------------------------------------------------------------------------------------------------
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//
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// Phase Vocoder (Analysis)
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@ -348,6 +640,7 @@ namespace cw
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flags = inst->hzFl ? dsp::pv_anl::kCalcHzPvaFl : dsp::pv_anl::kNoCalcHzPvaFl;
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inst->pvN = srcBuf->chN;
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inst->pvA = mem::allocZ<pv_t*>( inst->pvN ); // allocate pv channel array
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const sample_t* magV[ srcBuf->chN ];
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const sample_t* phsV[ srcBuf->chN ];
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const sample_t* hzV[ srcBuf->chN ];
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@ -2,8 +2,11 @@ namespace cw
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{
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namespace flow
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{
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namespace audio_in { extern class_members_t members; }
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namespace audio_out { extern class_members_t members; }
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namespace audioFileIn { extern class_members_t members; }
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namespace audioFileOut { extern class_members_t members; }
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namespace sine_tone { extern class_members_t members; }
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namespace pv_analysis { extern class_members_t members; }
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namespace pv_synthesis { extern class_members_t members; }
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namespace spec_dist { extern class_members_t members; }
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